/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.evaluation.value;

/**
 * This DoubleValue represents a specific double value.
 *
 * @author Eric Lafortune
 */
abstract class SpecificDoubleValue extends DoubleValue {
    // Implementations of unary methods of DoubleValue.

    public DoubleValue negate() {
        return new NegatedDoubleValue(this);
    }

    public IntegerValue convertToInteger() {
        return new ConvertedIntegerValue(this);
    }

    public LongValue convertToLong() {
        return new ConvertedLongValue(this);
    }

    public FloatValue convertToFloat() {
        return new ConvertedFloatValue(this);
    }

    // Implementations of binary methods of DoubleValue.

    public DoubleValue generalize(DoubleValue other) {
        return other.generalize(this);
    }

    public DoubleValue add(DoubleValue other) {
        return other.add(this);
    }

    public DoubleValue subtract(DoubleValue other) {
        return other.subtractFrom(this);
    }

    public DoubleValue subtractFrom(DoubleValue other) {
        return other.subtract(this);
    }

    public DoubleValue multiply(DoubleValue other) {
        return other.multiply(this);
    }

    public DoubleValue divide(DoubleValue other) {
        return other.divideOf(this);
    }

    public DoubleValue divideOf(DoubleValue other) {
        return other.divide(this);
    }

    public DoubleValue remainder(DoubleValue other) {
        return other.remainderOf(this);
    }

    public DoubleValue remainderOf(DoubleValue other) {
        return other.remainder(this);
    }

    public IntegerValue compare(DoubleValue other) {
        return other.compareReverse(this);
    }

    // Implementations of binary DoubleValue methods with SpecificDoubleValue
    // arguments.

    public DoubleValue generalize(SpecificDoubleValue other) {
        return this.equals(other) ? this : BasicValueFactory.DOUBLE_VALUE;
    }

    public DoubleValue add(SpecificDoubleValue other) {
        return new CompositeDoubleValue(this, CompositeDoubleValue.ADD, other);
    }

    public DoubleValue subtract(SpecificDoubleValue other) {
        return new CompositeDoubleValue(this, CompositeDoubleValue.SUBTRACT, other);
    }

    public DoubleValue subtractFrom(SpecificDoubleValue other) {
        return new CompositeDoubleValue(other, CompositeDoubleValue.SUBTRACT, this);
    }

    public DoubleValue multiply(SpecificDoubleValue other) {
        return new CompositeDoubleValue(this, CompositeDoubleValue.MULTIPLY, other);
    }

    public DoubleValue divide(SpecificDoubleValue other) {
        return new CompositeDoubleValue(this, CompositeDoubleValue.DIVIDE, other);
    }

    public DoubleValue divideOf(SpecificDoubleValue other) {
        return new CompositeDoubleValue(other, CompositeDoubleValue.DIVIDE, this);
    }

    public DoubleValue remainder(SpecificDoubleValue other) {
        return new CompositeDoubleValue(this, CompositeDoubleValue.REMAINDER, other);
    }

    public DoubleValue remainderOf(SpecificDoubleValue other) {
        return new CompositeDoubleValue(other, CompositeDoubleValue.REMAINDER, this);
    }

    public IntegerValue compare(SpecificDoubleValue other) {
        return BasicValueFactory.INTEGER_VALUE;

        // Not handling NaN properly.
        // return this.equals(other) ?
        // ParticularValueFactory.INTEGER_VALUE_0 :
        // new ComparisonValue(this, other);
    }

    // Implementations for Value.

    public boolean isSpecific() {
        return true;
    }

    // Implementations for Object.

    public boolean equals(Object object) {
        return object != null && this.getClass() == object.getClass();
    }

    public int hashCode() {
        return this.getClass().hashCode();
    }
}
